Backend Engineer: AI Infrastructure (Remote, Flexible)

Alignerr Corp.; Madrid; A distancia; EUR 55.000 - 96.000; A tiempo parcial

Descripción de la vacante

Alignerr Corp. is seeking Back End Developers for a fully remote hourly contract in Madrid. Design, build, and optimize server-side systems and APIs powering AI products, including data pipelines and scalable microservices that handle real-world traffic.

You will work with languages like Python, Go, Java, Node.js, or Rust, and use AWS/GCP/Azure, PostgreSQL, MongoDB, Redis, Docker, and Kubernetes. Strong communication and async collaboration across time zones are essential.

Formación

• Experience designing backend services and APIs.
• Strong knowledge of RESTful APIs and microservices.
• Experience with relational and NoSQL databases.
• Proficient with cloud platforms (AWS, GCP, or Azure).
• Familiar with Git, CI/CD, and containerization.
• Ability to work asynchronously with distributed teams.

Responsabilidades

• Design, develop, and maintain back end services, APIs, and data pipelines.
• Build scalable server-side architecture to support AI workloads.
• Write clean, well-documented, and testable code following engineering best practices.
• Integrate with databases, message queues, cloud services, and third-party APIs.
• Troubleshoot production issues and conduct code reviews.
• Collaborate asynchronously with distributed teams of engineers, researchers, and product leads.
• Work independently on task-based and project-based assignments on your own schedule.

Conocimientos

Python

Go

Java

Node.js

Rust

REST APIs

Microservices

Distributed systems

Git & CI/CD

Docker & Kubernetes

Herramientas

PostgreSQL

MongoDB

Redis

AWS

GCP

Azure

Docker

Kubernetes

Descripción del empleo

Alignerr Corp. is seeking Back End Developers for a fully remote hourly contract in Madrid. Design, build, and optimize server-side systems and APIs powering AI products, including data pipelines and scalable microservices that handle real-world traffic.

You will work with languages like Python, Go, Java, Node.js, or Rust, and use AWS/GCP/Azure, PostgreSQL, MongoDB, Redis, Docker, and Kubernetes. Strong communication and async collaboration across time zones are essential.